#669B31#669B31

#669B31 is a light, vivid yellow-green. Relative luminance 0.265; OKLCH L 63.0% C 0.148 H 132.2°. Best body text is #000000 at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#669B31
RGB	rgb(102, 155, 49)
HSL	hsl(90, 52%, 40%)
HSV	hsv(90, 68%, 61%)
CMYK	cmyk(34.2%, 0%, 68.4%, 39.2%)
CIE-LAB	lab(58.50, -35.29, 48.01)
CIE-LCH	lch(58.50, 59.58, 126.32°)
OKLab	oklab(63.03% -0.0992 0.1094)
OKLCH	oklch(63.03% 0.148 132.2)
XYZ	xyz(17.7550, 26.4885, 7.0825)
Luminance	0.2649 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669B31 #66319B

analogous

#9B9B31 #669B31 #319B31

triadic

#669B31 #31669B #9B3166

tetradic

#669B31 #319B9B #66319B #9B3131

square

#669B31 #319B9B #66319B #9B3131

split-complementary

#669B31 #31319B #9B319B

monochromatic

#293E14 #476D22 #669B31 #85C445 #A3D373

Accessibility & contrast

On white

3.33

#669B31 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.30

#669B31 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669B31

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669B31	#FFFFFF	#000000	##000000
##669B31	1.00	3.33	6.30	6.30
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.30	21.00	1.00	1.00
##000000	6.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A28F22

Deuteranopia (green-blind)

#9A8B3A

Tritanopia (blue-blind)

#679586

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #669b31;
/* rgb */ color: rgb(102, 155, 49);
/* oklch */ color: oklch(63.0% 0.148 132.2);

Tailwind

colors: {
  custom: {
    50: '#96b96f',
    500: '#669b31',
    950: '#000000',
  },
}

SCSS

$custom: #669b31;
$custom-light: #96b96f;
$custom-dark: #000000;

JSON

{
  "hex": "#669b31",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 49
  },
  "hsl": {
    "h": 90,
    "s": 51.961,
    "l": 40
  },
  "oklch": {
    "l": 0.63029,
    "c": 0.14765,
    "h": 132.2
  },
  "luminance": 0.26489
}

Semantic roles & 50–950 ramp

primary

#669B31

secondary

#946DBB

accent

#4CDB94

background

#F9FBF6

surface

#F2F6EC

border

#CCD0C7

text

#0E1108

muted

#7E807B

Preview Lab

Preview with #669B31

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →